22 Localization library [localization]

22.2 Header <locale> synopsis [locale.syn]

namespace std {
  // [locale], locale:
  class locale;
  template <class Facet> const Facet& use_facet(const locale&);
  template <class Facet> bool         has_facet(const locale&) noexcept;

  // [locale.convenience], convenience interfaces:
  template <class charT> bool isspace (charT c, const locale& loc);
  template <class charT> bool isprint (charT c, const locale& loc);
  template <class charT> bool iscntrl (charT c, const locale& loc);
  template <class charT> bool isupper (charT c, const locale& loc);
  template <class charT> bool islower (charT c, const locale& loc);
  template <class charT> bool isalpha (charT c, const locale& loc);
  template <class charT> bool isdigit (charT c, const locale& loc);
  template <class charT> bool ispunct (charT c, const locale& loc);
  template <class charT> bool isxdigit(charT c, const locale& loc);
  template <class charT> bool isalnum (charT c, const locale& loc);
  template <class charT> bool isgraph (charT c, const locale& loc);
  template <class charT> charT toupper(charT c, const locale& loc);
  template <class charT> charT tolower(charT c, const locale& loc);
  template <class Codecvt, class Elem = wchar_t,
    class Wide_alloc = std::allocator<Elem>,
    class Byte_alloc = std::allocator<char> > class wstring_convert;
  template <class Codecvt, class Elem = wchar_t,
     class Tr = char_traits<Elem>> class wbuffer_convert;

  // [category.ctype], ctype:
  class ctype_base;
  template <class charT> class ctype;
  template <>            class ctype<char>;             // specialization
  template <class charT> class ctype_byname;
  class codecvt_base;
  template <class internT, class externT, class stateT> class codecvt;
  template <class internT, class externT, class stateT> class codecvt_byname;

  // [category.numeric], numeric:
  template <class charT, class InputIterator = istreambuf_iterator<charT> >  class num_get;
  template <class charT, class OutputIterator = ostreambuf_iterator<charT> > class num_put;
  template <class charT> class numpunct;
  template <class charT> class numpunct_byname;

  // [category.collate], collation:
  template <class charT> class collate;
  template <class charT> class collate_byname;

  // [category.time], date and time:
  class time_base;
  template <class charT, class InputIterator = istreambuf_iterator<charT> >
    class time_get;
  template <class charT, class InputIterator> = istreambuf_iterator<charT> >
    class time_get_byname;
  template <class charT, class OutputIterator> = ostreambuf_iterator<charT> >
    class time_put;
  template <class charT, class OutputIterator> = ostreambuf_iterator<charT> >
    class time_put_byname;

  // [category.monetary], money:
  class money_base;
  template <class charT, class InputIterator = istreambuf_iterator<charT> > >  class money_get;
  template <class charT, class OutputIterator = ostreambuf_iterator<charT> > > class money_put;
  template <class charT, bool Intl = false> class moneypunct;
  template <class charT, bool Intl = false> class moneypunct_byname;

  // [category.messages], message retrieval:
  class messages_base;
  template <class charT> class messages;
  template <class charT> class messages_byname;
}